---
title: "Update a blob element by uploading a file."
method: POST
path: "/blobelements/d/{did}/w/{wid}/e/{eid}"
tags: ["BlobElement"]
---

# Update a blob element by uploading a file.

`POST /blobelements/d/{did}/w/{wid}/e/{eid}`

Request body parameters are multipart fields, so you must use `"Content-Type":"multipart/form-data"` in the request header.

## Path parameters

- `did` string, required
- `wid` string, required
- `eid` string, required

## Query parameters

- `linkDocumentId` string
- `parentChangeId` string

## Response `default`

default response

---

[API](https://skmtc.net/onshape/apis/onshape-rest-api.md) · [All operations](https://skmtc.net/onshape/apis/onshape-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/onshape/onshape-rest-api/revisions/aaa3e1322450/schema)